| /* |
| * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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| */ |
| |
| #ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSGCADAPTIVEPOLICYCOUNTERS_HPP |
| #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSGCADAPTIVEPOLICYCOUNTERS_HPP |
| |
| #include "gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.hpp" |
| #include "gc_implementation/shared/gcAdaptivePolicyCounters.hpp" |
| #include "gc_implementation/shared/gcStats.hpp" |
| #include "runtime/perfData.hpp" |
| |
| // CMSGCAdaptivePolicyCounters is a holder class for performance counters |
| // that track the data and decisions for the ergonomics policy for the |
| // concurrent mark sweep collector |
| |
| class CMSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters { |
| friend class VMStructs; |
| |
| private: |
| |
| // Capacity of tenured generation recorded at the end of |
| // any collection. |
| PerfVariable* _cms_capacity_counter; // Make this common with PS _old_capacity |
| |
| // Average stop-the-world pause time for both initial and |
| // remark pauses sampled at the end of the checkpointRootsFinalWork. |
| PerfVariable* _avg_cms_STW_time_counter; |
| // Average stop-the-world (STW) GC cost for the STW pause time |
| // _avg_cms_STW_time_counter. |
| PerfVariable* _avg_cms_STW_gc_cost_counter; |
| |
| #ifdef NOT_PRODUCT |
| // These are useful to see how the most recent values of these |
| // counters compare to their respective averages but |
| // do not control behavior. |
| PerfVariable* _initial_pause_counter; |
| PerfVariable* _remark_pause_counter; |
| #endif |
| |
| // Average of the initial marking pause for a concurrent collection. |
| PerfVariable* _avg_initial_pause_counter; |
| // Average of the remark pause for a concurrent collection. |
| PerfVariable* _avg_remark_pause_counter; |
| |
| // Average for the sum of all the concurrent times per collection. |
| PerfVariable* _avg_concurrent_time_counter; |
| // Average for the time between the most recent end of a |
| // concurrent collection and the beginning of the next |
| // concurrent collection. |
| PerfVariable* _avg_concurrent_interval_counter; |
| // Average of the concurrent GC costs based on _avg_concurrent_time_counter |
| // and _avg_concurrent_interval_counter. |
| PerfVariable* _avg_concurrent_gc_cost_counter; |
| |
| // Average of the free space in the tenured generation at the |
| // end of the sweep of the tenured generation. |
| PerfVariable* _avg_cms_free_counter; |
| // Average of the free space in the tenured generation at the |
| // start of the sweep of the tenured generation. |
| PerfVariable* _avg_cms_free_at_sweep_counter; |
| // Average of the free space in the tenured generation at the |
| // after any resizing of the tenured generation at the end |
| // of a collection of the tenured generation. |
| PerfVariable* _avg_cms_promo_counter; |
| |
| // Average of the mark-sweep-compact (MSC) pause time for a collection |
| // of the tenured generation. |
| PerfVariable* _avg_msc_pause_counter; |
| // Average for the time between the most recent end of a |
| // MSC collection and the beginning of the next |
| // MSC collection. |
| PerfVariable* _avg_msc_interval_counter; |
| // Average for the GC cost of a MSC collection based on |
| // _avg_msc_pause_counter and _avg_msc_interval_counter. |
| PerfVariable* _msc_gc_cost_counter; |
| |
| // Average of the mark-sweep (MS) pause time for a collection |
| // of the tenured generation. |
| PerfVariable* _avg_ms_pause_counter; |
| // Average for the time between the most recent end of a |
| // MS collection and the beginning of the next |
| // MS collection. |
| PerfVariable* _avg_ms_interval_counter; |
| // Average for the GC cost of a MS collection based on |
| // _avg_ms_pause_counter and _avg_ms_interval_counter. |
| PerfVariable* _ms_gc_cost_counter; |
| |
| // Average of the bytes promoted per minor collection. |
| PerfVariable* _promoted_avg_counter; |
| // Average of the deviation of the promoted average |
| PerfVariable* _promoted_avg_dev_counter; |
| // Padded average of the bytes promoted per minor colleciton |
| PerfVariable* _promoted_padded_avg_counter; |
| |
| // See description of the _change_young_gen_for_maj_pauses |
| // variable recently in cmsAdaptiveSizePolicy.hpp. |
| PerfVariable* _change_young_gen_for_maj_pauses_counter; |
| |
| // See descriptions of _remark_pause_old_slope, _initial_pause_old_slope, |
| // etc. variables recently in cmsAdaptiveSizePolicy.hpp. |
| PerfVariable* _remark_pause_old_slope_counter; |
| PerfVariable* _initial_pause_old_slope_counter; |
| PerfVariable* _remark_pause_young_slope_counter; |
| PerfVariable* _initial_pause_young_slope_counter; |
| |
| CMSAdaptiveSizePolicy* cms_size_policy() { |
| assert(_size_policy->kind() == |
| AdaptiveSizePolicy::_gc_cms_adaptive_size_policy, |
| "Wrong size policy"); |
| return (CMSAdaptiveSizePolicy*)_size_policy; |
| } |
| |
| inline void update_avg_cms_STW_time_counter() { |
| _avg_cms_STW_time_counter->set_value( |
| (jlong) (cms_size_policy()->avg_cms_STW_time()->average() * |
| (double) MILLIUNITS)); |
| } |
| |
| inline void update_avg_cms_STW_gc_cost_counter() { |
| _avg_cms_STW_gc_cost_counter->set_value( |
| (jlong) (cms_size_policy()->avg_cms_STW_gc_cost()->average() * 100.0)); |
| } |
| |
| inline void update_avg_initial_pause_counter() { |
| _avg_initial_pause_counter->set_value( |
| (jlong) (cms_size_policy()->avg_initial_pause()->average() * |
| (double) MILLIUNITS)); |
| } |
| #ifdef NOT_PRODUCT |
| inline void update_avg_remark_pause_counter() { |
| _avg_remark_pause_counter->set_value( |
| (jlong) (cms_size_policy()-> avg_remark_pause()->average() * |
| (double) MILLIUNITS)); |
| } |
| |
| inline void update_initial_pause_counter() { |
| _initial_pause_counter->set_value( |
| (jlong) (cms_size_policy()->avg_initial_pause()->average() * |
| (double) MILLIUNITS)); |
| } |
| #endif |
| inline void update_remark_pause_counter() { |
| _remark_pause_counter->set_value( |
| (jlong) (cms_size_policy()-> avg_remark_pause()->last_sample() * |
| (double) MILLIUNITS)); |
| } |
| |
| inline void update_avg_concurrent_time_counter() { |
| _avg_concurrent_time_counter->set_value( |
| (jlong) (cms_size_policy()->avg_concurrent_time()->last_sample() * |
| (double) MILLIUNITS)); |
| } |
| |
| inline void update_avg_concurrent_interval_counter() { |
| _avg_concurrent_interval_counter->set_value( |
| (jlong) (cms_size_policy()->avg_concurrent_interval()->average() * |
| (double) MILLIUNITS)); |
| } |
| |
| inline void update_avg_concurrent_gc_cost_counter() { |
| _avg_concurrent_gc_cost_counter->set_value( |
| (jlong) (cms_size_policy()->avg_concurrent_gc_cost()->average() * 100.0)); |
| } |
| |
| inline void update_avg_cms_free_counter() { |
| _avg_cms_free_counter->set_value( |
| (jlong) cms_size_policy()->avg_cms_free()->average()); |
| } |
| |
| inline void update_avg_cms_free_at_sweep_counter() { |
| _avg_cms_free_at_sweep_counter->set_value( |
| (jlong) cms_size_policy()->avg_cms_free_at_sweep()->average()); |
| } |
| |
| inline void update_avg_cms_promo_counter() { |
| _avg_cms_promo_counter->set_value( |
| (jlong) cms_size_policy()->avg_cms_promo()->average()); |
| } |
| |
| inline void update_avg_old_live_counter() { |
| _avg_old_live_counter->set_value( |
| (jlong)(cms_size_policy()->avg_old_live()->average()) |
| ); |
| } |
| |
| inline void update_avg_msc_pause_counter() { |
| _avg_msc_pause_counter->set_value( |
| (jlong) (cms_size_policy()->avg_msc_pause()->average() * |
| (double) MILLIUNITS)); |
| } |
| |
| inline void update_avg_msc_interval_counter() { |
| _avg_msc_interval_counter->set_value( |
| (jlong) (cms_size_policy()->avg_msc_interval()->average() * |
| (double) MILLIUNITS)); |
| } |
| |
| inline void update_msc_gc_cost_counter() { |
| _msc_gc_cost_counter->set_value( |
| (jlong) (cms_size_policy()->avg_msc_gc_cost()->average() * 100.0)); |
| } |
| |
| inline void update_avg_ms_pause_counter() { |
| _avg_ms_pause_counter->set_value( |
| (jlong) (cms_size_policy()->avg_ms_pause()->average() * |
| (double) MILLIUNITS)); |
| } |
| |
| inline void update_avg_ms_interval_counter() { |
| _avg_ms_interval_counter->set_value( |
| (jlong) (cms_size_policy()->avg_ms_interval()->average() * |
| (double) MILLIUNITS)); |
| } |
| |
| inline void update_ms_gc_cost_counter() { |
| _ms_gc_cost_counter->set_value( |
| (jlong) (cms_size_policy()->avg_ms_gc_cost()->average() * 100.0)); |
| } |
| |
| inline void update_major_gc_cost_counter() { |
| _major_gc_cost_counter->set_value( |
| (jlong)(cms_size_policy()->cms_gc_cost() * 100.0) |
| ); |
| } |
| inline void update_mutator_cost_counter() { |
| _mutator_cost_counter->set_value( |
| (jlong)(cms_size_policy()->mutator_cost() * 100.0) |
| ); |
| } |
| |
| inline void update_avg_promoted_avg(CMSGCStats* gc_stats) { |
| _promoted_avg_counter->set_value( |
| (jlong)(gc_stats->avg_promoted()->average()) |
| ); |
| } |
| inline void update_avg_promoted_dev(CMSGCStats* gc_stats) { |
| _promoted_avg_dev_counter->set_value( |
| (jlong)(gc_stats->avg_promoted()->deviation()) |
| ); |
| } |
| inline void update_avg_promoted_padded_avg(CMSGCStats* gc_stats) { |
| _promoted_padded_avg_counter->set_value( |
| (jlong)(gc_stats->avg_promoted()->padded_average()) |
| ); |
| } |
| inline void update_remark_pause_old_slope_counter() { |
| _remark_pause_old_slope_counter->set_value( |
| (jlong)(cms_size_policy()->remark_pause_old_slope() * 1000) |
| ); |
| } |
| inline void update_initial_pause_old_slope_counter() { |
| _initial_pause_old_slope_counter->set_value( |
| (jlong)(cms_size_policy()->initial_pause_old_slope() * 1000) |
| ); |
| } |
| inline void update_remark_pause_young_slope_counter() { |
| _remark_pause_young_slope_counter->set_value( |
| (jlong)(cms_size_policy()->remark_pause_young_slope() * 1000) |
| ); |
| } |
| inline void update_initial_pause_young_slope_counter() { |
| _initial_pause_young_slope_counter->set_value( |
| (jlong)(cms_size_policy()->initial_pause_young_slope() * 1000) |
| ); |
| } |
| inline void update_change_young_gen_for_maj_pauses() { |
| _change_young_gen_for_maj_pauses_counter->set_value( |
| cms_size_policy()->change_young_gen_for_maj_pauses()); |
| } |
| |
| public: |
| CMSGCAdaptivePolicyCounters(const char* name, int collectors, int generations, |
| AdaptiveSizePolicy* size_policy); |
| |
| // update counters |
| void update_counters(); |
| void update_counters(CMSGCStats* gc_stats); |
| void update_counters_from_policy(); |
| |
| inline void update_cms_capacity_counter(size_t size_in_bytes) { |
| _cms_capacity_counter->set_value(size_in_bytes); |
| } |
| |
| virtual GCPolicyCounters::Name kind() const { |
| return GCPolicyCounters::CMSGCAdaptivePolicyCountersKind; |
| } |
| }; |
| |
| #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSGCADAPTIVEPOLICYCOUNTERS_HPP |